/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package contoller;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.dao.util.KhachHangDAO;
import model.pojo.KhachHang;

/**
 *
 * @author Phi
 */
@WebServlet(name = "admin.do", urlPatterns = {"/admin.do"})
public class admin extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here. You may use following sample code. */
            String action = request.getParameter("action");
            String url = "";
            if (action.equals("DangNhap")) {
                //su dung hidden
                String tenDangNhap = request.getParameter("tenDangNhap");
                String matKhau = request.getParameter("matKhau");
                KhachHang kh = KhachHangDAO.dangNhap(tenDangNhap, matKhau);
                if (kh == null) {
                    String loi = "Tên đăng nhập hoặc mật khẩu không đúng";
                    request.setAttribute("loi", loi);
                    url = "admin.jsp";
                  // request.setAttribute("page", "Dangnhap");
                } else {
                    HttpSession session = request.getSession();
                    session.setAttribute("KhachHang", kh);
                    url = "QuanLy.do?Action=View";
                    response.sendRedirect(url);
                    return;
                }
            }
            RequestDispatcher rd = request.getRequestDispatcher(url);
            rd.forward(request, response);
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
